(19)
(11) EP 2 173 423 A1

(12)

(43) Date of publication:
14.04.2010 Bulletin 2010/15

(21) Application number: 07787163.0

(22) Date of filing: 06.07.2007
(51) International Patent Classification (IPC): 
A61M 16/20(2006.01)
(86) International application number:
PCT/EP2007/056880
(87) International publication number:
WO 2009/006932 (15.01.2009 Gazette 2009/03)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(71) Applicant: Maquet Critical Care AB
171 95 Solna (SE)

(72) Inventors:
  • DAHLSTRÖM, Bo
    S-162 42 Vällingby (SE)
  • TORNESEL, Carl-Magnus
    S-121 37 Johanneshov (SE)
  • DANIELSEN, Lars
    S-165 57 Hässelby (SE)

(74) Representative: Krahbichler, Erik 
Krahbichler Intellectual Property Advisors AB P O Box 1065
251 10 Helsingborg
251 10 Helsingborg (SE)

   


(54) EXPIRATORY VALVE OF AN ANESTHETIC BREATHING APPARATUS HAVING SAFETY BACKUP